Canister



FIG. 1 is a top perspective view of a canister showing our new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a front elevation view thereof.

The broken lines in the drawings showing the rim of the mouth of the canister illustrate a portion of the design that forms no part of the claim. 

The ornamental design for the canister, as shown and described in the accompanying figures. 